KR20220021742A - Electronic device, method for identifying freshness in the electronic device and non-transitory storage medium - Google Patents

Abstract

The present invention relates to an electronic device and an operation method thereof. In accordance with one embodiment, the electronic device includes: a sensor module including at least one sensor; a memory; and at least one processor connected with the sensor module and the memory. The processor can be configured so as to: acquire designated reference information; set a plurality of measurement conditions of the at least one sensor; acquire food product measurement information of stored food products from the at least one sensor based on the plurality of measurement conditions; identify a target food product among the stored food products and acquire freshness-related information of the target food product, based on the food product measurement information and the designated reference information; and identify the freshness of the target food product based on the acquired freshness-related information. Other embodiments can be possible. Therefore, the present invention is capable of leading a consumer to consume food products in a fresh condition.

Description

ELECTRONIC DEVICE, METHOD FOR IDENTIFYING FRESHNESS IN THE ELECTRONIC DEVICE AND NON-TRANSITORY STORAGE MEDIUM

Various embodiments of the present document relate to an electronic device, a method, and a non-transitory storage medium for identifying the freshness of stored food.

Recently, electronic devices have been developed in various forms for the convenience of users. Electronic devices, such as household appliances that can store food, have developed into a form that can communicate with other external electronic devices, provide images and sounds, and provide various services, as well as functions for their original purpose. there is.

Among home appliances, a refrigerator capable of storing food provides a function of keeping food fresh through refrigeration and freezing storage, as well as various services for managing food in storage.

However, home appliances such as refrigerators can keep food fresh compared to room temperature, but decay proceeds slowly, so it is necessary to manage the freshness of the stored food, and to induce the user to consume the stored food within an appropriate time. There is a need.

According to various embodiments, there may be provided an electronic device, a method, and a non-transitory storage medium for identifying the types of stored foods and for identifying the freshness of foods for each identified type of food.

An electronic device according to an embodiment of the present document includes a sensor module including at least one sensor, a memory, and at least one processor connected to the sensor module and the memory, wherein the processor acquires specified reference information and set a plurality of measurement conditions of the at least one sensor, obtain food measurement information of stored foods from the at least one sensor based on the plurality of measurement conditions, and obtain the food measurement information and the specified reference information based on the identification of the target food among the stored foods, obtain the freshness-related information of the target food, and may be configured to identify the freshness of the target food based on the acquired freshness-related information.

An operation method in an electronic device according to an embodiment includes an operation of acquiring specified reference information, an operation of setting a plurality of measurement conditions of at least one sensor, and storing from the at least one sensor based on the plurality of measurement conditions An operation of acquiring food measurement information of foods, an operation of identifying a target food among the stored foods based on the food measurement information and the specified reference information, and acquiring freshness-related information of the target food and the acquired freshness related It may include an operation of identifying the freshness of the target food based on the information.

In the non-transitory storage medium according to an embodiment, when the program is executed by a processor, the processor obtains specified reference information, sets a plurality of measurement conditions of at least one sensor, the plurality of an operation of obtaining food measurement information of stored foods from the at least one sensor based on the measurement conditions of and an instruction executable to perform an operation of acquiring freshness-related information and an operation of identifying the freshness of the target food based on the acquired freshness-related information.

According to the embodiments of the present document, according to an electronic device and an operation method in the electronic device, the type of food is identified based on information measured from the foods stored in the storage box of the electronic device and designated reference information, and each type of food is By discriminating the freshness of the product, it is possible to increase the accuracy of identification of the freshness of foods with different degrees of spoilage, and it has the effect of inducing the storage of the stored food under optimal conditions or consumption in a fresh state within an appropriate time.

According to an embodiment, since the electronic device can detect different gases generated from different foods with a single sensor based on a plurality of measurement conditions set in a single sensor, sensors may be provided in proportion to the number of types of foods. Since there is no need, there is an effect of reducing the cost required for hardware configuration.

1 is a diagram illustrating a network environment according to various embodiments of the present disclosure;
2 is a diagram illustrating a configuration example of an electronic device according to an embodiment.
3 is a diagram illustrating a configuration example of an electronic device according to an embodiment.
4 is a diagram illustrating an example of communication between an electronic device and external electronic devices according to an embodiment.
5 is a diagram illustrating an example of a method of operating an electronic device according to an embodiment.
6A and 6B are diagrams illustrating examples of designated reference information according to an embodiment.
7 is a diagram illustrating an example of a method of operating an electronic device according to an embodiment.
8A and 8B are diagrams illustrating an example of a method of operating an electronic device according to an embodiment.
9A and 9B are diagrams illustrating an example of a method of operating an electronic device according to an embodiment.
10 is a diagram illustrating an example of an operation method in an electronic device according to an embodiment.
11 is a diagram illustrating an example of a method of operating an electronic device according to an embodiment.
A diagram illustrating an operation example of a second electronic device according to various embodiments of the present disclosure.
In connection with the description of the drawings, the same or similar reference numerals may be used for the same or similar components.

Hereinafter, an electronic device according to various embodiments will be described with reference to the accompanying drawings. The term user used in various embodiments may refer to a person who uses an electronic device or a device (eg, an artificial intelligence electronic device) using the electronic device.

1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments. Referring to FIG. 1 , in a network environment 100 , an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 . According to an embodiment, the electronic device 101 includes a processor 120 , a memory 130 , an input module 150 , a sound output module 155 , a display module 160 , an audio module 170 , and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or an antenna module 197 may be included. In some embodiments, at least one of these components (eg, the connection terminal 178 ) may be omitted or one or more other components may be added to the electronic device 101 . In some embodiments, some of these components (eg, sensor module 176 , camera module 180 , or antenna module 197 ) are integrated into one component (eg, display module 160 ). can be

The processor 120, for example, executes software (eg, a program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120 . It can control and perform various data processing or operations. According to one embodiment, as at least part of data processing or operation, the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 . may be stored in the volatile memory 132 , and may process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 . According to an embodiment, the processor 120 is the main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor). For example, when the electronic device 101 includes the main processor 121 and the sub-processor 123 , the sub-processor 123 may use less power than the main processor 121 or may be set to be specialized for a specified function. can The auxiliary processor 123 may be implemented separately from or as a part of the main processor 121 .

The auxiliary processor 123 is, for example, on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, executing an application). ), together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states. According to an embodiment, the co-processor 123 (eg, an image signal processor or a communication processor) may be implemented as part of another functionally related component (eg, the camera module 180 or the communication module 190). there is. According to an embodiment, the auxiliary processor 123 (eg, a neural network processing device) may include a hardware structure specialized for processing an artificial intelligence model. Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which artificial intelligence is performed, or may be performed through a separate server (eg, the server 108). The learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited The artificial intelligence model may include a plurality of artificial neural network layers. Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example. The artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.

The memory 130 may store various data used by at least one component of the electronic device 101 (eg, the processor 120 or the sensor module 176 ). The data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto. The memory 130 may include a volatile memory 132 or a non-volatile memory 134 .

The program 140 may be stored as software in the memory 130 , and may include, for example, an operating system 142 , middleware 144 , or an application 146 .

The input module 150 may receive a command or data to be used in a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 . The input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).

The sound output module 155 may output a sound signal to the outside of the electronic device 101 . The sound output module 155 may include, for example, a speaker or a receiver. The speaker can be used for general purposes such as multimedia playback or recording playback. The receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.

The display module 160 may visually provide information to the outside (eg, a user) of the electronic device 101 . The display module 160 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device. According to an embodiment, the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.

The audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 , or an external electronic device (eg, a sound output module 155 ) connected directly or wirelessly with the electronic device 101 . A sound may be output through the electronic device 102 (eg, a speaker or headphones).

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, user state), and generates an electrical signal or data value corresponding to the sensed state. can do. According to an embodiment, the sensor module 176 may include, for example, a gas sensor, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, It may include a biometric sensor, a temperature sensor, a humidity sensor, or an illuminance sensor.

The interface 177 may support one or more designated protocols that may be used by the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ). According to an embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ). According to an embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense. According to an embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 188 may manage power supplied to the electronic device 101 . According to an embodiment, the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101 . According to one embodiment, battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication performance through the established communication channel. The communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a LAN (local area network) communication module, or a power line communication module). A corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN). These various types of communication modules may be integrated into one component (eg, a single chip) or may be implemented as a plurality of components (eg, multiple chips) separate from each other. The wireless communication module 192 uses the subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199 . The electronic device 101 may be identified or authenticated.

The wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR). NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)). The wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example. The wireless communication module 192 includes various technologies for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna.

The wireless communication module 192 may support various requirements specified in the electronic device 101 , an external electronic device (eg, the electronic device 104 ), or a network system (eg, the second network 199 ). According to an exemplary embodiment, the wireless communication module 192 includes a peak data rate (eg, 20 Gbps or more) for realizing 1eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency for realizing URLLC ( Example: downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less).

The antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device). According to an embodiment, the antenna module 197 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern. According to an embodiment, the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected from the plurality of antennas by, for example, the communication module 190 . can be selected. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna. According to some embodiments, other components (eg, a radio frequency integrated circuit (RFIC)) other than the radiator may be additionally formed as a part of the antenna module 197 .

According to various embodiments, the antenna module 197 may form a mmWave antenna module. According to one embodiment, the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, bottom side) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.

At least some of the components are connected to each other through a communication method between peripheral devices (eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)) and a signal ( eg commands or data) can be exchanged with each other.

According to an embodiment, the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 . Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 . According to an embodiment, all or a part of operations executed in the electronic device 101 may be executed in one or more external electronic devices 102 , 104 , or 108 . For example, when the electronic device 101 is to perform a function or service automatically or in response to a request from a user or other device, the electronic device 101 may perform the function or service itself instead of executing the function or service itself. Alternatively or additionally, one or more external electronic devices may be requested to perform at least a part of the function or the service. One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 . The electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request. For this, for example, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used. 111 The electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing. In another embodiment, the external electronic device 104 may include an Internet of things (IoT) device. Server 108 may be an intelligent server using machine learning and/or neural networks. According to an embodiment, the external electronic device 104 or the server 108 may be included in the second network 199 . The electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.

Hereinafter, an electronic device according to an embodiment to be described may be described as, for example, a device for controlling a home appliance (eg, a refrigerator) for storing food or a device for controlling a home appliance for storing food. The freshness described according to an embodiment may mean a freshness level as a state in which food is not spoiled by bacteria or a state in which volatile basic nitrogen (VBN) is below a certain value.

2 is a diagram illustrating a configuration example of an electronic device according to an embodiment.

Referring to FIG. 2 , an electronic device 201 (eg, the electronic device 101 of FIG. 1 ) according to an embodiment includes a processor 210 , a sensor module 220 , a communication module 230 , and a memory 240 . and a display 250 . The electronic device 201 is not limited thereto, and may be configured by further including various components or by excluding some of the components.

Referring to FIG. 2 , the processor 210 (eg, the processor 120 of FIG. 1 ) of the electronic device 201 according to an embodiment includes a sensor module 220 , a communication module 230 , a memory 240 and It may be configured to be electrically connected to the display 250 .

According to an embodiment, the processor 210 (eg, the processor 120 of FIG. 1 ) determines freshness from a memory or an external electronic device (eg, the electronic device 102 or 103 or the server 108 of FIG. 1 ). It is possible to obtain designated reference information for

The processor 210 receives reference information specified from an external electronic device (eg, the electronic device 102 or 103 of FIG. 1 or the server 108 in FIG. 1 ) when executing an operation for freshness measurement, before or by a user's request. It may be stored in the memory 240 . The designated reference information may include odor pattern information for each type of food and freshness reference data for each type of food. The type of food is a classification of foods emitting different odors, and for example, meat (eg, chicken, pork, beef, or mutton) or fish, may indicate foods that generate different odors. For example, when different odors are generated for each part of the same type of food, the type of food may be further classified for each part of the same type of food.

According to an embodiment, the processor 210 may set a plurality of measurement conditions of the at least one single sensor included in the sensor module 220 . For example, the at least one single sensor may be, for example, a gas sensor in which one sensor has different characteristics in reactivity (or frequency of reaction). The plurality of measurement conditions may be conditions for adjusting the operating temperature of at least one single sensor based on the change in the reactivity of the sensor according to the measurement condition according to the change of the odor-causing gas generated respectively for each food.

According to an embodiment, the processor 210 may adjust the operating temperature of at least one single sensor at a specified period based on a plurality of set measurement conditions. The operating temperature of the at least one single sensor may be sequentially adjusted to temperature values respectively set for a plurality of measurement conditions during a set measurement period. For example, the temperature values respectively set for the plurality of measurement conditions may be set based on a change in gas reactivity to odors generated differently by at least one sensor (eg, a gas sensor) for each food. The plurality of measurement conditions may include different temperature values for adjusting the operating temperature of the sensor, respectively. For example, the processor 210 may set a first measurement condition including a reference temperature value (eg, 400 degrees (°C)). The processor 210 sets the operating temperature to a first temperature value lower than a reference temperature value (eg, 400 degrees (°C)) so that the at least one sensor operates with a first sensor characteristic with a high frequency of response to a gas with low reactivity, and , a second measurement condition including the first temperature value may be set. The processor 210 sets the operating temperature to a second temperature value higher than the reference temperature value so that the at least one sensor operates with a second sensor characteristic with a high response frequency to a gas with high reactivity, and includes the set second temperature value A third measurement condition can be set. In addition, the processor 210 may classify the temperature values of at least one single sensor for each type of food generating different odor-causing gases, for example.

According to an embodiment, when the operating temperature of at least one single sensor does not change, the processor 210 may set a single measurement condition. When the operating temperature of the at least one single sensor varies, the processor 210 may set a plurality of measurement conditions based on temperature values for adjusting the operating temperature of the at least one single sensor. The processor 210 may change a plurality of measurement conditions set based on freshness-related information of the target food.

According to another embodiment, the processor 210 may include a plurality of separate sensors having different responsiveness, and may set different measurement conditions for each of the plurality of sensors. Each of the plurality of sensors may have different reactivity characteristics.

According to an embodiment, the processor 210 acquires environmental information indicating the food storage state of the food storage box of the electronic device 201 and reflects the acquired environmental information to improve the accuracy and reliability of food measurement information. A plurality of measurement conditions can be set. For example, the processor 210 may adjust the measurement period of at least one single sensor based on the environment information.

According to an embodiment, the processor 210 may acquire food measurement information based on measurement signals sensed by at least one single sensor. The processor 210 may acquire food-specific food measurement information based on food-specific measurement signals sequentially sensed by at least one single sensor according to a plurality of measurement conditions during a specified period.

According to an embodiment, the processor 210 may identify the type of food based on the food measurement information and designated reference information, and may identify the identified type of food as the target food. The processor 210 generates an odor pattern based on the acquired food measurement information, and sets the generated odor pattern to odor pattern information (eg, a chicken odor pattern and/or a pork odor pattern) included in the specified reference information (811 and 813), a type of food (eg, chicken) corresponding to or having a similar pattern corresponding to specified odor pattern information (eg, odor pattern of chicken) having a similar pattern may be identified as a target food.

According to an embodiment, the processor 210 may acquire freshness-related information of the target food based on the specified reference information and food measurement information, and determine the freshness of the target food based on the acquired freshness-related information. The processor 210 identifies the freshness reference data of the identified target food based on the freshness reference data included in the specified reference information, compares the identified freshness reference data with the measurement signals of the target food, the freshness of the target food of the target food , edible, fast consumption, or freshness stage comprising at least one of spoilage stage. The processor 210 may identify the freshness of the target food based on the identified freshness level. For example, freshness-related information may include information indicative of a freshness stage comprising at least one of the fresh, edible, fast-consuming, or spoilage stages of the subject food, the shelf life (consumable period) of the subject food, or additional information (e.g., : safe cooking method or recommended dish).

According to an embodiment, the processor 210 may display the obtained freshness-related information or a guide message generated based on the freshness-related information on the display 250 . The electronic device may transmit the acquired freshness-related information to an external electronic device through the communication module 250 (eg, the communication module 190 of FIG. 1 ).

According to an embodiment, the processor 210 is a hardware module or a software module (eg, an application program), and includes various sensors, a data measurement module, an input/output interface, and an electronic device 201 included in the electronic device 201 . It may be a hardware component (function) or a software component (program) including at least one of a module or a communication module for managing the state or environment of the .

According to an embodiment, the processor 210 may include, for example, one or a combination of two or more of hardware, software, and firmware. The processor 210 may be configured to omit at least some of the above components or further include other components for performing an image processing operation in addition to the above components.

Referring to FIG. 2 , the sensor module 220 according to an embodiment may include at least one single sensor and/or a plurality of different sensors. At least one single sensor may be, for example, a gas sensor in which a plurality of sensors having different gas reactivity have different characteristics (or functions). For example, as a single gas sensor that detects a reaction between gas and oxygen, it is possible to detect odors generated from different types of food being stored. The operating temperature of at least one single sensor may be adjusted to a temperature value set under the control of the processor 210 . At least one single sensor may control the operating temperature by heating a heater (not shown) connected to the sensing film (not shown) to a set temperature value (eg, 400°C) to control the operating temperature. For example, the operating temperature of at least one single sensor may be sequentially changed to temperature values respectively set in a plurality of measurement conditions during a set measurement period. A plurality of different characteristics of the at least one single sensor may be sequentially operated in response to a plurality of measurement conditions. For example, when the operating temperature of the at least one single sensor is adjusted to a first temperature value (eg, a temperature lower than a reference temperature), the sensor may operate with a characteristic of a sensor sensitively reacting to a gas having low gas reactivity. For example, when the operating temperature of the at least one single sensor is adjusted to a second temperature value (eg, a temperature higher than a reference temperature), the at least one single sensor operates with a sensor characteristic that is sensitive to a gas with high gas reactivity can do. For example, the temperature values of the at least one single sensor may be set separately for each type of food generating a different odor-causing gas for each food.

Referring to FIG. 2 , the communication module 230 according to an embodiment communicates with an external electronic device (eg, the electronic device 101 of FIG. 1 , the server 108 of FIG. 1 , or another user's electronic device). can For example, the communication module 230 may transmit at least one of food measurement information, identification information (eg, food type) of the target food, or freshness related information of the target food to the external electronic device. For example, the communication module 230 may receive food measurement information from an external electronic device. According to an embodiment, the communication module 230 may include a cellular module, a wireless-fidelity (Wi-Fi) module, a Bluetooth module, or a near field communication (NFC) module.

Referring to FIG. 2 , a memory 240 (eg, the memory 130 of FIG. 1 ) according to an embodiment may store an application. For example, the memory 240 may store an application (function or program) for determining the freshness of food and an application for food management. The memory 240 according to an embodiment may store various data generated during execution of the program 140 , including a program (eg, the program 140 of FIG. 1 ) used for functional operation. The memory 240 may largely include a program area 140 and a data area (not shown). The program area 140 may store related program information for driving the electronic device 201 , such as an operating system (OS) for booting the electronic device 201 (eg, the operating system 142 of FIG. 1 ). The data area (not shown) may store transmitted and/or received data and generated data according to various embodiments. In addition, the memory 240 may be a flash memory, a hard disk, or a multimedia card micro type memory (eg, secure digital (SD) or extreme digital (XD) memory). ), RAM, and ROM may be configured to include at least one storage medium. According to an embodiment, the memory 240 may store food measurement information, designated reference information, and/or freshness-related information of the target food.

Referring to FIG. 2 , a display 250 according to an embodiment may be implemented in the form of a touch screen. When implemented together with the input module in the form of a touch screen, the display 250 may display various information generated according to a user's touch operation. According to an embodiment, the display 250 may display the acquired freshness-related information or a guide message generated based on the acquired freshness-related information. According to an embodiment, the display 250 is a liquid crystal display (LCD), a thin film transistor LCD (TFT-LCD), an organic light emitting diode (OLED), a light emitting diode (LED), an active matrix organic LED (AMOLED), It may be composed of at least one or more of a flexible display and a three-dimensional display. In addition, some of these displays may be configured as a transparent type or a light transmitting type so that the outside can be viewed through them. This may be configured in the form of a transparent display including a transparent OLED (TOLED). According to another embodiment, in addition to the display 250, another mounted display module (eg, an extended display or a flexible display) may be further included.

According to an embodiment, the electronic device 201 includes an audio module (not shown) (eg, the audio module 170 of FIG. 1 ) or a vibration module (not shown) (eg, the haptic module 179 of FIG. 1 ). may include more. The audio module can output sound, for example, the identification information of the target food among audio codec, microphone (MIC), receiver, earphone output (EAR_L), or speaker. food type) and/or freshness-related information of the target food may be output as an audio signal. For example, the vibration module may output identification information (eg, food type) of the target food and/or freshness related information of the target food as vibration.

As such, in an embodiment, the main components of the electronic device have been described through the electronic device 201 of FIG. 2 . However, in various embodiments, not all of the components illustrated in FIG. 2 are essential components, and the electronic device 201 may be implemented by more components than the illustrated components, or fewer components than the illustrated components. The electronic device 201 may be implemented by In addition, positions of major components of the electronic device 201 described above with reference to FIG. 2 may be changeable according to various embodiments.

3 is a diagram illustrating a configuration example of an electronic device according to an embodiment, and FIG. 4 is a diagram illustrating an example of communication between the electronic device and external electronic devices according to an embodiment.

Referring to FIG. 3 , according to an embodiment, the electronic device 201 may be, for example, a home appliance (eg, a refrigerator) capable of storing food. As shown in (a) of FIG. 3 , the electronic device 201 is provided with a storage box 301 for separately storing fresh foods therein, and the smell generated from the foods stored in the storage box 301 . It may be configured to include at least one single sensor (eg, a gas sensor) 303 for measuring . For example, the at least one single sensor 303 may be mounted inside the storage box 301 and may be a gas sensor that detects a gaseous odor that occurs in foods. According to another embodiment, the electronic device 201 may be configured to include a plurality of different sensors (eg, gas sensors) having different gas reactivity.

As shown in (b) of FIG. 3 , according to an embodiment, the electronic device 201 may form a display 250 on an outer surface (eg, a front surface) of a housing, and the display 250 is adjacent to the display 250 . The processor 210 for determining the freshness of foods stored in the storage box 301 by controlling the display 250 and at least one sensor inside the region may be formed. The processor 210 collects environmental information related to food storage including at least one of whether the door of the electronic device 201 is opened or closed, a cooling control situation, or whether food is stored, and further applies the collected environmental information when determining freshness to a plurality of It is possible to set the measurement conditions of , and determine the freshness of the target food. The electronic device 201 may control the identified target food type and/or acquired freshness related information of the target food to be displayed on the display 250 . The electronic device 201 may provide the identified type of target food and/or information related to the freshness of the acquired target food by voice through an audio module (eg, the audio module 170 of FIG. 1 ).

3 and 4 , the electronic device 201 according to an exemplary embodiment is at least one external electronic device connected by wire and/or wireless communication through a communication module (eg, the communication module 230 of FIG. 2 ). Designated reference information may be acquired from the first database 411 and the second database 413 managed by the 401 (eg, the electronic device 102 or 103 or the server 108 of FIG. 1 ). The electronic device 201 communicates the freshness-related information obtained as measurement signals sensed from at least one single sensor 301 through the communication module, information on the identified target food and/or freshness determination result information of the target food. The transmission may be performed to at least one of the at least one other external electronic devices 403 , 405 , or 407 through a module (eg, the communication module 230 of FIG. 2 ).

According to another embodiment, the electronic device 201 may be configured without including the display 250 . In this case, the electronic device 201 uses a communication module (eg, the communication module 230 of FIG. 2 ) to display result information and/or additional information of freshness determination of the target food in an external electronic device having a display (not shown). )) through the measurement signals sensed from the at least one single sensor 301, information on the identified target food and/or freshness-related information of the target food as result information of freshness determination may be transmitted.

According to another embodiment, the electronic device 201 may be an electronic device (eg, the electronic device 101 of FIG. 1 ) of a portable device (eg, a smart phone) that interworks with a home appliance (eg, a refrigerator). The home appliance device (eg, refrigerator) does not perform a function (program or algorithm) for freshness determination, and the electronic device 201 (eg, in FIG. 1 ) through a communication module (eg, the communication module 230 of FIG. 2 ) Measurement signals sensed by the sensor may be transmitted to the electronic device 101 .

In the description of FIG. 3 above, the electronic device 201 according to an embodiment has been described as an example of a home appliance (eg, a refrigerator) capable of storing foods, but the electronic device 201 is a home appliance (eg, a home appliance) storing foods. For example, it may be a portable communication device (eg, a smartphone), a computer device, a portable multimedia device, a portable medical device, a camera, or a wearable device that interworks with a refrigerator).

An electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 201 of FIG. 2 ) according to an embodiment is connected to a sensor module including at least one sensor, a memory, and the sensor module and the memory at least one processor configured to: obtain specified reference information, set a plurality of measurement conditions of the at least one sensor, and store food from the at least one sensor based on the plurality of measurement conditions Acquire food measurement information of the, based on the food measurement information and the specified reference information, identify a target food among the stored foods, obtain freshness-related information of the target food, and based on the acquired freshness-related information It may be configured to identify the freshness of the target food.

According to an embodiment, the electronic device may further include a display connected to the processor, and the processor may be configured to control the display to display freshness-related information of the identified target food.

According to an embodiment, the electronic device further includes a communication module connected to the processor, wherein the processor is configured to control the communication module to transmit freshness related information of the identified target food to an external electronic device can be

According to an embodiment, the processor may be further configured to identify an expected storage period of the target food based on the acquired freshness-related information.

According to an embodiment, the processor may control the at least one sensor to adjust the operating temperature of the at least one sensor in response to temperature values included in the plurality of measurement conditions, respectively. The processor, when adjusting the operating temperature of the at least one sensor, sets the operating temperature to a first temperature lower than a reference temperature value such that the at least one sensor operates with a first sensor characteristic with a high response frequency to a gas with low gas reactivity. value, and the operating temperature may be set to a second temperature value higher than the reference temperature value so that the at least one sensor operates as a second sensor characteristic with a high response frequency to the gas having high gas reactivity.

According to an embodiment, the at least one sensor may be a gas sensor for detecting different gases generated from stored foods. The at least one sensor may be a single sensor having a plurality of sensor characteristics in which the gas reactivity is different from each other. The plurality of sensor characteristics may operate respectively in response to the plurality of measurement conditions.

According to an embodiment, the specified reference information may include at least one of smell pattern information and freshness reference data.

According to an embodiment, the freshness-related information may include at least one of information indicating a freshness stage of the target food, an expected storage period, and additional information.

According to an embodiment, the processor obtains environmental information indicating a food storage state of the electronic device, and when setting the plurality of measurement conditions, adjusts a measurement period of the at least one sensor based on the environmental information can be configured to

According to an embodiment, the processor may be configured to change a measurement condition set based on the freshness-related information of the target food.

According to an embodiment, the processor may be configured to adjust a storage environment, etc. to maintain the quality of the target food set based on the freshness-related information of the target food.

An operation method in the electronic device as described above will be described in detail with reference to the accompanying drawings.

5 is a diagram illustrating an example of an operating method of an electronic device according to an embodiment, FIGS. 6A and 6B are diagrams illustrating an example of designated reference information according to an embodiment, and FIG. 5 is an electronic device according to an embodiment It is a figure which shows an example of the operation method of an apparatus.

Referring to FIG. 5 , in operation 501 , the electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 201 of FIG. 2 ) according to an embodiment may acquire specified reference information. The designated reference information may include reference odor pattern information for each food and designated reference information. For example, as shown in FIG. 6A , the specified reference information is a place for each food that needs fresh storage (eg, beef, lamb, pork, chicken, or duck) (eg, slaughterhouse, meat packaging processing plant, and meat sales place) Or include standard freshness reference data indicating normal bacterial count (CFU/g, cm ² ) and E. coli count (CFU/g, cm ² ) and volatile basic nitrogen (VBN, mg/100 g) over time can do. The designated reference information is, for example, as shown in FIG. 6B , the reference data 601 representing the correlation of the sensor signal and the storage period and/or the designated reference data based on the standard freshness reference data for each food item (eg, beef and pork). meat) reference data 603 and 605 indicating a correlation between normal bacterial count/VBN and storage period.

In operation 503, the electronic device may set a plurality of measurement conditions of at least one single sensor. The electronic device may set temperature values for adjusting the operating temperature of at least one single sensor, and set a plurality of measurement conditions based on the set temperature values. For example, if the operating temperature of at least one single sensor does not change, the electronic device may set a single measurement condition. For example, when the operating temperature of the at least one single sensor is changed, the electronic device may set a plurality of measurement conditions based on temperature values for adjusting the operating temperature of the at least one single sensor. The plurality of measurement conditions may be conditions for adjusting the operating temperature of at least one single sensor based on the fact that the reactivity (or reaction frequency) according to the measurement conditions of the sensor varies according to the change of the odor-causing gas generated for each food. there is. For example, among the plurality of measurement conditions, a first condition is a condition set based on a first temperature value (eg, 400 degrees (°C)) of an operating temperature of the sensor, and a second condition is a condition set based on an operating temperature of the sensor as a second temperature. The value (eg, a temperature lower than 400 degrees (°C)) and the third condition may be conditions set based on a third temperature value (eg, a temperature higher than 400 degrees (°C)).

In operation 505, the electronic device may acquire food measurement information based on measurement signals detected from at least one single sensor based on a plurality of set measurement conditions.

In operation 507, the electronic device may identify a target food based on the food measurement information and the designated reference information, and acquire freshness related information of the target food. As shown in (a) of FIG. 7 , the electronic device generates an odor pattern 701 based on the measurement signals, and uses the generated odor pattern 701 to be designated as shown in (c) and (d) of FIG. 7 . A specified odor pattern having a similar pattern (eg, chicken odor patterns 711, 713 and 715 and/or pork odor patterns 721, 722 and 723) included in the reference information. : A type of food (eg, chicken) corresponding to one of the chicken smell patterns 711 , 713 and 715 of FIG. 7C ) may be identified as the target food. For example, the electronic device may provide odor pattern information for each type of food included in the reference information (eg, designated odor patterns 711 , 713 and 715 , 721 , 722 , and 723 such as (c) and (d) of FIG. 7 ). may be represented as a distribution diagram of coordinate values on a plane for discriminating foods as shown in Fig. 7. The electronic device includes, for example, chicken odor patterns 711 in the distribution diagram as shown in Fig. 7(b). , 713 and 715 may be identified, and a region 703 in which coordinate values related to odor patterns 721 , 723 and 725 are distributed may be identified. As the coordinate values 707 of the smell pattern 701 generated by the signals are identified in a region adjacent to the region 705 in which the coordinate values of chickens are distributed, the type of target food may be identified as chicken.

In operation 509, the electronic device may identify the freshness of the target food based on the acquired freshness-related information. For example, freshness-related information may include information indicative of a freshness stage comprising at least one of the fresh, edible, fast-consuming, or spoilage stages of the subject food, the shelf life (consumable period) of the subject food, or additional information (e.g., : safe cooking method or recommended dish).

In operation 511 , the electronic device may display the acquired freshness-related information or a guide message generated based on the freshness-related information on a display (eg, the display module 160 of FIG. 1 or the display 250 of FIG. 2 ). . The electronic device may transmit the acquired freshness-related information to an external electronic device through a communication module (eg, the communication module 190 of FIG. 1 or the communication module 230 of FIG. 2 ). The electronic device may perform an operation of adjusting the storage environment of the electronic device (or storage box (eg, storage box 301 of FIG. 3 )) for storing food.

8A, 8B, and 8C are diagrams illustrating an example of a method of operating an electronic device according to an embodiment.

Referring to FIG. 8A , an electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 201 of FIG. 2 ) according to an embodiment includes sensor signals 801 corresponding to a plurality of measurement conditions, respectively. By adding a weight 803 to each, reference data (eg, first reference data) indicating a correlation between a sensor signal and a storage period designated for freshness determination for each food type may be obtained. As illustrated in (c) of FIG. 8A , reference data (eg, first reference data) may be represented by matching reference data 805 to which a weight 803 has been applied and standard reference data 807 . As illustrated in (b) of FIG. 8B , the electronic device may provide the user with graphs in which the reference data 805 and the standard reference data 807 are matched.

According to an embodiment, as shown in (a) and (c) of FIG. 8B , the electronic device provides reference data (eg, the second reference data) 811 or 821 may be obtained. The electronic device may identify a change in the freshness of the food according to the storage period based on the reference data 811 or 821 . For example, the electronic device may identify a freshness, edible, early consumption, or spoilage stage of the food based on the reference data 811 or 821 .

According to an embodiment, as shown in (b) and (d) of FIG. 8B , the electronic device provides reference data (eg, third reference data), weighted reference data 813 or 823 and standard reference data 815 or 825 may be acquired. The electronic device may check the freshness change of the food according to the sensor signal based on the reference data (at least one of 813, 823, 815, or 825). For example, the electronic device may identify the freshness, edible, early consumption, or spoilage stage of the food based on the reference data (at least one of 813, 823, 815, or 825).

9A and 9B are diagrams illustrating an example of a method of operating an electronic device according to an embodiment.

According to an embodiment, as shown in (a) and (b) of FIG. 9A , the electronic device provides reference data (eg, third reference data) 815 indicating a correlation between a sensor signal and a normal bacterial count or VBN. or 825) to identify a sensor signal (eg, 585.06) corresponding to the current measurement signal obtained from at least one single sensor, and a common bacterial count (eg, TVB 4.1 log CFU/g) corresponding to the identified sensor signal; or VBN (eg 8mg/100g) can be identified. The electronic device may set a point of reference data indicating the identified sensor signal and the identified number of general bacteria or VBN as a reference point 911 for freshness determination. The electronic device may determine that the target food (eg, chicken) is fresh based on the identification that the set reference point 911 is included in the area indicating the freshness stage.

As illustrated in (c) of FIG. 9A , the electronic device according to an embodiment includes a sensor signal (eg, first reference data) identified from reference data (eg, first reference data) 807 indicating a correlation between a sensor signal and a storage period. : 585.06) may be identified, and a storage period (eg, 76 hours) indicated by the identified reference point 911 may be identified. The electronic device determines that an identified reference point (eg, a first reference point) 911 and/or a reference point (eg, a second reference point) indicating a current measurement value sensed by at least one single sensor (eg, a second reference point) 913 indicates a drawing stage. It may be determined that the target food is in a fresh state based on the identification of what is included in the area.

Referring to FIG. 9B , the electronic device identifies a current measurement value (eg, 664.42) included in food measurement information obtained from a single sensor and a storage period (72 hours and 30 minutes) corresponding to the measurement value, and identifies It is possible to identify the rate of change of the measured value (eg, 340.63) from the reference point 1005 indicating the measured value and the storage period. For example, the electronic device may calculate the change rate based on the previous measurement value and the measurement value at the time of determination. The electronic device determines a sensor signal value (eg, 585.06) and a storage period (76 hours) similar to the measured value and storage period identified in the reference data (eg, first reference data) 807 indicating a correlation between the sensor signal and the storage period. ), and a reference point 917 indicated by the identified sensor signal value (eg, 585.06) and storage period (76 hours) may be identified. The electronic device may identify the current position (corruption progress stage) of the measured value based on the reference point 917 identified in the reference data (eg, first reference data) 807 of the graph as illustrated in FIG. 9B . .

According to an embodiment, the electronic device may check the expected storage period of the target food, which indicates the consumable period before spoilage of the food, based on the change rate and change direction of the measured value of the target food. For example, as shown in (a) of Figure 9a, the electronic device is a day from the time (156 hours) corresponding to the time (eg, the number of bacteria (TVB 6.6 log CFU / g)) when the spoilage of the target food starts. The estimated shelf life (eg 56 hours) can be calculated by subtracting the identified storage period (eg 76 hours) from before (24 hours) (eg 156-24-76 = 56 hours).

10 is a diagram illustrating an example of a method of operating an electronic device according to an embodiment.

Referring to FIG. 10 , in operation 1001 , the electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 201 of FIG. 2 ) according to an embodiment is stored in a storage box (eg, the storage box 301 of FIG. 3 ). may check the control state of , and in operation 1003 , it may be determined whether the door of the electronic device is closed and the fan operation is stopped. For example, in a food storage device such as a refrigerator, the measurement environment of a sensor for determining the freshness of food is variable due to a temperature change when the door is opened and closed. You can set the signal measurement period of the sensor. The set signal measurement period may be included in a plurality of measurement conditions.

As a result of checking in operation 1003 , when the door of the electronic device is in a closed state and the fan operation is stopped, operation 1005 may be performed. Otherwise, operation 1001 may be performed again.

In operation 1005 , the electronic device checks the elapsed time T after the door is closed and the fan operation is stopped. In operation 1007 , the electronic device 201 determines that the elapsed time T is greater than the specified time T ₀ , 1009 . action can be performed. If it is determined that the elapsed time T is not greater than the specified time T ₀ , the electronic device may perform operation 1001 again.

In operation 1009 , the electronic device may acquire measurement signals of foods through at least one sensor during a set signal measurement period.

In operation 1011 , the electronic device may obtain food measurement information by removing noise and processing the acquired measurement signals.

According to an embodiment, the electronic device performs the target food among the foods stored in the storage box as in operations 507 and 509 of FIG. 5 based on the food measurement information acquired by the operation method of FIG. 10 and the designated reference information. For example, chicken) may be identified, freshness-related information of the target food may be acquired, and the freshness of the target food may be identified based on the acquired freshness-related information. For example, freshness-related information may include information indicative of a freshness stage comprising at least one of the fresh, edible, fast-consuming, or spoilage stages of the subject food, the shelf life (consumable period) of the subject food, or additional information (e.g., : safe cooking method or recommended dish).

11 is a diagram illustrating an example of a screen according to a method of operating an electronic device according to an embodiment.

Referring to FIG. 11 , according to an embodiment, the electronic device 201 displays the freshness-related information obtained by the operation method of FIGS. 5 and 11 or a guide message 1103 generated based on the obtained freshness-related information. It can be displayed on the execution screen 1101 of 250 . The electronic device 201 identifies the type of target food as, for example, chicken, identifies the identified freshness level of the identified target food as fresh, and identifies the expected storage period as 3 days, so as to provide a guide message (“current storage”). The current status of the chicken being cooked is fresh. Please consume within the next 3 days. The recommended cooking method is …")(1103). For example, the electronic device 201 may display specific information (not shown) on the recommended cooking method together on the display 250 according to the freshness-related information. According to an embodiment, the electronic device may transmit the acquired freshness-related information and a guide message 1103 to be displayed by the external electronic device to the external electronic device.

An operating method in an electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 201 of FIG. 2 ) according to an embodiment includes an operation of acquiring specified reference information and a plurality of measurements of at least one sensor setting conditions, obtaining food measurement information of stored foods from the at least one sensor based on the plurality of measurement conditions, based on the food measurement information and the specified reference information, a target among the stored foods It may include an operation of identifying a food and acquiring freshness-related information of the target food, and an operation of identifying the freshness of the target food based on the acquired freshness-related information.

According to an embodiment, the method may further include displaying on the display of the electronic device to display freshness related information of the identified target food.

According to an embodiment, the method may further include transmitting the identified freshness related information of the target food to an external electronic device through a communication module of the electronic device.

According to an embodiment, the method may further include identifying an expected storage period of the target food based on the acquired freshness-related information.

According to an embodiment, the method may further include adjusting a storage environment to maintain the quality of the target food based on the acquired freshness-related information.

According to an embodiment, the method may further include controlling the at least one sensor to adjust the operating temperature of the at least one sensor in response to temperature values included in the plurality of measurement conditions, respectively. can The operation of controlling the at least one sensor operating temperature to be adjusted may include setting the operating temperature to a first temperature lower than a reference temperature value so that the at least one sensor operates with a first sensor characteristic with a high response frequency to a gas with low gas reactivity. setting the operating temperature to a value and setting the operating temperature to a second temperature value higher than the reference temperature value so that the at least one sensor operates as a second sensor characteristic with a high response frequency to the gas with high gas reactivity. can do.

According to an embodiment, the at least one sensor may be a gas sensor for detecting different gases generated from stored foods. The at least one sensor may be a single sensor having a plurality of sensor characteristics in which the gas reactivity is different from each other. The plurality of sensor characteristics may operate respectively in response to the plurality of measurement conditions.

According to an embodiment, the specified reference information may include at least one of smell pattern information and freshness reference data.

According to an embodiment, the freshness-related information may include at least one of information indicating a freshness stage of the target food, an expected storage period, and additional information.

According to an embodiment of the present disclosure, in the method of obtaining the environmental information indicating the food storage state of the electronic device and setting the plurality of measurement conditions, the measurement period of the at least one sensor is determined based on the environmental information. It may further include an operation of adjusting.

According to an embodiment, the method may further include changing a measurement condition set based on the freshness-related information of the target food.

A computer-readable storage medium includes a hard disk, a floppy disk, magnetic media (eg, magnetic tape), optical media (eg, compact disc read only memory (CD-ROM), DVD ( digital versatile disc), magneto-optical media (such as floppy disk), hardware devices (such as read only memory (ROM), random access memory (RAM), or flash memory, etc.) ), etc. In addition, the program instructions may include not only machine language codes such as those generated by a compiler, but also high-level language codes that can be executed by a computer using an interpreter, etc. The above-described hardware device includes various It may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

According to various embodiments, in a non-transitory storage medium, when the program is executed by a processor, the processor acquires specified reference information, sets a plurality of measurement conditions of at least one sensor, the Acquiring food measurement information of stored foods from the at least one sensor based on a plurality of measurement conditions, based on the food measurement information and the specified reference information, identifying a target food among the stored foods and the target food It may include an executable instruction to perform an operation of acquiring the freshness-related information of and identifying the freshness of the target food based on the acquired freshness-related information.

And, the embodiments disclosed in this document are presented for explanation and understanding of the disclosed and technical content, and do not limit the scope of the technology described in this document. Accordingly, the scope of this document should be construed to include all modifications or various other embodiments based on the technical spirit of this document.

The electronic device according to various embodiments disclosed in this document may have various types of devices. The electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device. The electronic device according to the embodiment of the present document is not limited to the above-described devices.

The various embodiments of this document and terms used therein are not intended to limit the technical features described in this document to specific embodiments, but it should be understood to include various modifications, equivalents, or substitutions of the embodiments. In connection with the description of the drawings, like reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the item, unless the relevant context clearly dictates otherwise. As used herein, "A or B", "at least one of A and B", "at least one of A or B", "A, B or C", "at least one of A, B and C", and "A , B, or C" each may include any one of the items listed together in the corresponding one of the phrases, or all possible combinations thereof. Terms such as "first", "second", or "first" or "second" may be used simply to distinguish the element from other elements in question, and may refer to elements in other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is "coupled" or "connected" to another (eg, second) component, with or without the terms "functionally" or "communicatively". When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.

The term “module” used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logic block, component, or circuit. can be used as A module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions. For example, according to an embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

According to various embodiments of the present document, one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101) may be implemented as software (eg, the program 140) including For example, a processor (eg, processor 120 ) of a device (eg, electronic device 101 ) may call at least one command among one or more commands stored from a storage medium and execute it. This makes it possible for the device to be operated to perform at least one function according to the called at least one command. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' only means that the storage medium is a tangible device and does not include a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.

According to one embodiment, the method according to various embodiments disclosed in this document may be provided as included in a computer program product. Computer program products may be traded between sellers and buyers as commodities. The computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or via an application store (eg Play Store ^TM ) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly between smartphones (eg: smartphones) and online. In the case of online distribution, at least a part of the computer program product may be temporarily stored or temporarily generated in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.

According to various embodiments, each component (eg, module or program) of the above-described components may include a singular or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. there is. According to various embodiments, one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg, a module or a program) may be integrated into one component. In this case, the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. . According to various embodiments, operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, or omitted. or one or more other operations may be added.

100: network environment 101: electronic device
201: first electronic device 210: processor
220: sensor module 230: communication module
240: memory 250: display

Claims (20)

In an electronic device,
a sensor module including at least one sensor;
Memory; and
At least one processor connected to the sensor module and the memory,
The processor is
obtain specified reference information;
setting a plurality of measurement conditions of the at least one sensor,
Obtaining food measurement information of stored foods from the at least one sensor based on the plurality of measurement conditions,
Based on the food measurement information and the designated reference information, identifying a target food among the stored foods and acquiring freshness-related information of the target food,
The electronic device is configured to identify the freshness of the target food based on the acquired freshness-related information. According to claim 1, wherein the electronic device,
Further comprising a display connected to the processor,
The processor is
and control the display to display freshness related information of the identified target food product. According to claim 1, wherein the electronic device,
Further comprising a communication module connected to the processor,
The processor is
and control the communication module to transmit freshness-related information of the identified target food to an external electronic device. The method of claim 1, wherein the processor comprises:
The electronic device is further configured to identify an expected storage period of the target food based on the acquired freshness-related information. The method of claim 1, wherein the processor comprises:
controlling the at least one sensor to adjust the operating temperature of the at least one sensor in response to temperature values included in the plurality of measurement conditions,
When the processor adjusts the operating temperature of the at least one sensor:
setting the operating temperature to a first temperature value lower than a reference temperature value so that the at least one sensor operates with a first sensor characteristic with a high response frequency to a gas with low gas reactivity;
and setting the operating temperature to a second temperature value higher than the reference temperature value so that the at least one sensor operates with a second sensor characteristic with a high response frequency to the gas with high gas reactivity. According to claim 1,
The at least one sensor is a gas sensor for detecting different gases generated from stored foods,
wherein the at least one sensor is a single sensor having a plurality of sensor characteristics with different reactivity of the gas;
and the plurality of sensor characteristics operate respectively in response to the plurality of measurement conditions. According to claim 1,
The specified reference information includes at least one of smell pattern information and freshness reference data,
The freshness-related information includes at least one of information indicating a freshness stage of the target food, an expected storage period, and additional information. The method of claim 1, wherein the processor comprises:
Obtaining environmental information indicating a food storage state of the electronic device,
When setting the plurality of measurement conditions, the electronic device is configured to adjust a measurement period of the at least one sensor based on the environment information. The method of claim 1, wherein the processor comprises:
The electronic device is configured to change a measurement condition set based on the freshness-related information of the target food. The method of claim 1, wherein the processor comprises:
An electronic device for controlling a storage environment to maintain the quality of the target food based on the freshness-related information of the target food. A method of operation in an electronic device, comprising:
obtaining specified reference information;
setting a plurality of measurement conditions of at least one sensor;
obtaining food measurement information of stored foods from the at least one sensor based on the plurality of measurement conditions;
identifying a target food among the stored foods based on the food measurement information and the designated reference information and acquiring freshness-related information of the target food; and
Including the operation of identifying the freshness of the target food based on the acquired freshness-related information. 12. The method of claim 11, wherein the method comprises:
displaying on the display of the electronic device to display freshness-related information of the identified target food; and
The method further comprising the operation of transmitting the identified freshness-related information of the target food to an external electronic device through a communication module of the electronic device. 12. The method of claim 11, wherein the method comprises:
The method further comprising the operation of identifying an expected storage period of the target food based on the acquired freshness-related information. 12. The method of claim 11, wherein the method comprises:
The method further comprising the operation of controlling the at least one sensor to adjust the operating temperature of the at least one sensor in response to the temperature values included in the plurality of measurement conditions, respectively.
The operation of controlling to adjust the operating temperature of the at least one sensor includes:
setting the operating temperature to a first temperature value lower than a reference temperature value so that the at least one sensor operates with a first sensor characteristic having a high response frequency to a gas having low gas reactivity; and
and setting the operating temperature to a second temperature value higher than the reference temperature value so that the at least one sensor operates with a second sensor characteristic with a high frequency of response to the gas with high gas reactivity. 12. The method of claim 11,
The at least one sensor is a gas sensor for detecting different gases generated from stored foods,
wherein the at least one sensor is a single sensor having a plurality of sensor characteristics with different gas reactivity;
and the plurality of sensor characteristics operate respectively in response to the plurality of measurement conditions. 12. The method of claim 11,
The specified reference information includes at least one of smell pattern information and freshness reference data,
The freshness-related information includes at least one of information indicating a freshness stage of the target food, an expected storage period, and additional information. 12. The method of claim 11, wherein the method comprises:
acquiring environment information indicating a food storage state of the electronic device; and
When setting the plurality of measurement conditions, the method further comprising the operation of adjusting a measurement period of the at least one sensor based on the environment information. 12. The method of claim 11, wherein the method comprises:
The method further comprising the operation of changing a measurement condition set based on the freshness-related information of the target food. 12. The method of claim 11, wherein the method comprises:
The method further comprising the operation of adjusting a storage environment to maintain the quality of the target food based on the freshness-related information of the target food. In the non-transitory storage medium, the program, when executed by a processor, the processor
obtaining specified reference information;
setting a plurality of measurement conditions of at least one sensor;
obtaining food measurement information of stored foods from the at least one sensor based on the plurality of measurement conditions;
identifying a target food among the stored foods based on the food measurement information and the designated reference information and acquiring freshness-related information of the target food; and
A non-transitory storage medium comprising an executable instruction to perform an operation of identifying the freshness of the target food based on the acquired freshness-related information.

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